Year Dollars 1992-01-01 121503 2002-01-01 12868 2004-01-01 49302 2005-01-01 119717 2006-01-01 108823 2007-01-01 272135 2008-01-01 156895 2009-01-01 275889 2010-01-01 181499 2011-01-01 532267 2012-01-01 454327 2013-01-01 390090 2014-01-01 224436 2015-01-01 458242 2016-01-01 450004